SOLD SEP 28, 2026

Sold on sep 2026

$650,000

•

821

sq ft

99 Sumner St #101, Boston, MA 02128

Track this home’s value and nearby sales activity

About this home

A rare opportunity to own one of the few one bedroom residences at The Mark with both a private outdoor space and a versatile den. Thoughtfully designed to maximize both function and style, this corner residence offers the flexibility today's buyers are searching for. Whether you envision a home office, guest room, nursery, fitness space, or creative studio, the den adapts to your lifestyle delivering the benefits of a larger home while maintaining the value of a one bedroom. Floor to ceiling windows fill the open concept living space with natural light and frame sweeping views of Boston Harbor and the skyline. Built in 2021, The Mark is East Boston's premier full service waterfront residence, offering concierge, fitness center, golf simulator, co working and conference spaces, pet spa, resident lounges, and a harbor front terrace with fire pits and grills. Just moments from Maverick Station, the water shuttle, Seaport, and Downtown Boston.

CondoProperty Type

2020Year Built

$792Price/Sq.Ft.

$977/moHOA Dues

1 spaceParking

Listed by The Sarkis Team • Douglas Elliman Real Estate - The Sarkis Team

Listed by Karen Navarrete • Douglas Elliman Real Estate - The Sarkis Team

Bought with Reserve Team • Reference Real Estate

Redfin checked: a few seconds ago

•Source:MLS PIN #73548575

Redfin Estimate

$670,574

$21K since sold in September 2026$4,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.5% higher than the average sale price ($667K) of 6 comparable homes.

SOLD MAY 11, 2026
$745,000
A
1 bed1 bath787 sq ft
65 Lewis St #316, Boston, MA 02128
SOLD MAY 18, 2026
$725,000
B
1 bed1 bath747 sq ft
65 Lewis St Unit U209, Boston, MA 02128
SOLD APR 30, 2026
$680,000
C
1 bed1 bath766 sq ft
45 Lewis St #303, Boston, MA 02128
SOLD APR 30, 2026
$633,000
D
1 bed1 bath767 sq ft
45 Lewis St Unit U403, East Boston, MA 02128
SOLD JUN 1, 2026
$820,000
E
2 beds1 bath847 sq ft
65 Lewis St #405, Boston, MA 02128
SOLD AUG 28, 2026
$400,000
F
2 beds1 bath785 sq ft
113 Sumner St #32, East Boston, MA 02128

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Market trends in Central Maverick Square-Paris Street, MA

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

98.8%

0.2% MoM

Median sale price

$668K

$18K MoM

Avg. days on market

53d

12 days MoM

Recently sold homes

0 MoM

New listings for sale

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OPEN TODAY, 12:30PM TO 1:30PM
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250 Bremen #5, East Boston, MA 02128
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546 Saratoga St, East Boston, MA 02128
$439,000
Studio— baths1,396 sq ft
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OPEN TODAY, 11AM TO 12:30PM
$850,000
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$719,900
2 beds2 baths941 sq ft
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OPEN SUN, 11AM TO 12:30PM
$799,000
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17 Princeton St Unit A, East Boston, MA 02128
OPEN TODAY, 1PM TO 2PM
$779,900
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OPEN TODAY, 12PM TO 2PM
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99 Sumner St #305, Boston, MA 02128
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Rental estimate

Est. $930 per month, based on comparable rentals

Sale and tax history for 99 Sumner St #101

Sale History
Tax History

Date

Event

Price

MLS PIN #73548575

Sep 28, 2026

Sold

$650,000

$792/sq ft

Sep 2, 2026

Pending

—

Aug 25, 2026

Contingent

—

Jul 13, 2026

Listed

$695,000

$847/sq ft

MLS PIN #72890554

Sep 7, 2021

Price Changed

$714,900

$871/sq ft

Aug 27, 2021

Sold

$714,900

$871/sq ft

Oct 24, 2019

Listed

$844,900

$1,029/sq ft

WATERVIEW - WATERFRONT - FULL SERVICE - NEW CONSTRUCTION – The Mark East Boston Phase 4 Just released, over 75% sold! 1 Bed+Den, den space can be used as second bedroom. South facing with great light, and courtyard/water views.The Mark at DeNormandie Wharf - East Boston’s new vantage point - Transit Oriented, 2 minute walk from Maverick Square Blue Line MBTA (3 mins to Aquarium, 5 mins to State St), Water Taxi Stop 66, ReelHouse & 5 minute drive to the airport. Charming homes featuring elegant & distinctive interior finishes + pet friendly! Amenities Include: 24/7 Concierge, Fitness Center with Flex Studio, Harbor view Resident Terrace with Grills and Fire pits, Golf Simulator, Tesla Model X - Envoy Car Share, & more! Parking Available for purchase. Storage available for purchase on the same floor as unit.

Public record

Public record
Zoning

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

821

Year built

2020

Style

Condo/Co-op

County

Suffolk County

APN

5200268

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 20, 2023.

EAST BOSTON NEIGHBORHOOD-WMU

CFROD

RESTRICTED ROOF STRUCTURE DISTRICT

East Boston Neighborhood District-Waterfront Mixed-Use Subdistrict

WMU Subdistricts provide a mix of residential, commercial, and service establishments to the Neighborhood's waterfront.

Zone overlays

Coastal Flood Resilience Overlay District
Restricted Roof Structure Overlay District In the East Boston Neighborhood District

Permitted uses

Include but are not limited to:

Day care facility
Restaurant
Housing-Single unit
Housing-Multiple units
Housing-Senior
Industrial
Mixed use
Office
Marina
Water transport

Property details

Parking

Parking Information
Open Parking Spaces: 1
Parking Spaces: 1
Parking Features: Rented

Interior

Master Bedroom Information
Level: First

Bathroom Information
# of Bathrooms (Full): 1

Bathroom #1 Information
Level: First

Living Room Information
Level: First

Kitchen Information
Level: First

Basement Information
Basement: N

Appliances
Appliances: Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer

Interior Features
# of Rooms (Total): 4
Interior Features: Den

Exterior

Building Information
Building Name: The Mark At Denormandie Wharf
Building Area (Total): 821
StructureType: Mid-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Details: Actual
Lead Paint: None

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Patio

Property Information
PropertySubType: Condominium
Property AttachedYN: Yes
Above Grade Finished Area: 821
Entry Level: 1
Entry Location: Unit Placement(Ground)

Lot Information
WaterfrontYN: Yes
Waterfront Features: Waterfront

Financial

Tax Information
Tax Annual Amount: $8,067
Tax Year: 2025

Utilities

Utility Information
Sewer: Public Sewer
Water Source: Public

Heating & Cooling
Has Heating
Has Cooling
Heating: Forced Air
Cooling: Central Air

Location

HOA Information
Association Fee: $977
Association Fee Frequency: Monthly
Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash
Association Amenities: Elevator(s), Recreation Facilities, Fitness Center, Clubroom

Location Information
Directions: MA-1A N to Porter St. Take the exit toward East Boston from MA-1A N, Follow Paris St to Sumner St
UnparsedAddress: 99 Sumner St # 101, Boston MA 02128

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Park, Walk/Jog Trails, Bike Path, Highway Access, Marina, T-Station
Pets Allowed: Yes

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 821
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 2020
Year Renovated: —
County: Suffolk County
APN: 5200268

Home facts updated by county records on Jul 20, 2023

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
StandardStatus: Closed

About this building

5 for sale

99 Sumner St, Boston, MA 02128

See photos & sale trends

Photo via 99 Sumner #221

Units for sale


408	$459,000	1 bed	1 bath	455 sq ft
206	$725,000	1 bed	1 bath	809 sq ft
506	$850,000	1 bed	1 bath	783 sq ft
312	$959,000	2 beds	2 baths	1085 sq ft
321	$1,350,000	2 beds	2 baths	1195 sq ft

Around this home

Schools

Dante Alighieri

Public PreK-6 • Assigned • 0.3mi

9/10

Umana/Alighieri K-8

Public PreK-8 • Assigned • 0.6mi

3/10

East Boston High School

Public 7-12 • Assigned • 0.9mi

2/10

Charlestown High School

Public 7-12 • Assigned • 1.2mi

3/10

Horace Mann School For The Deaf

Public PreK-12 • Assigned • 1.4mi

Provided by GreatSchools

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 95° expected this year, 14 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

3/10 Air Factor

3 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Boston, MA • 02128

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

93/ 100

Exceptional sunlight

Sunscore

This home ranks in the top 2% for direct sun exposure in Boston. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.1 hrs

5.2 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$638,000 – $772,000

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Home values near 99 Sumner St #101

Data from public records.

Address	Redfin Estimate
99 Sumner Street Penthouse 606, Boston, MA 1 Beds \| 1 Baths \| 778 Sq. Ft.	$864,541
99 Sumner Street #511, Boston, MA 2 Beds \| 2 Baths \| 1126 Sq. Ft.	$1,030,403

Address	Redfin Estimate
99 Sumner #202, Boston, MA 2 Beds \| 2 Baths \| 1251 Sq. Ft.	$1,183,420
99 Sumner Street #221, Boston, MA 2 Beds \| 2 Baths \| 1225 Sq. Ft.	$1,100,569

Address	Redfin Estimate
99 Sumner Street #515, Boston, MA 1 Beds \| 1 Baths \| 776 Sq. Ft.	$781,572
99 Sumner Street #410, Boston, MA 1 Beds \| 1 Baths \| 740 Sq. Ft.	$663,333

Property information provided by MLS PIN when last listed in 2026. This data may not match . Learn more.

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